Merge "Support to launch multi-instance when long press to split on an app...

Merge "Support to launch multi-instance when long press to split on an app icon" into tm-qpr-dev am: 312e15b0 am: 729976c5

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/19008926



Change-Id: Iae16815d8248d4e776fdb9f3f3364ed7803ffb1e
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>